As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT ENGINE START VALVE OPEN LIGHT CAME ON AFTER CLIMB POWER SET. RETARDED THROTTLE AND LIGHT WENT OUT. RETURNED TO STL. FOUND START VALVE PRESSURE SENSE LINE HAD FAILED ALLOWING THE START VALVE TO OPEN. REPLACED LINE. ALSO REPLACED THE STARTER, START VALVE AND STARTER ADAPTER DUE TO SUBSEQUENT DAMAGE. CHECK-C 2-6-98 MCI.